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采用改性松香树脂研制成热熔型路标涂料，阐述了熔融粘度低，热稳定性和耐候性好的浅色改性松香树脂及其涂料的制法。比较了现有几种热熔型路标涂料用树脂及其涂料的性能指标。
The modified rosin resin was developed into hot melt road marking paint, and the preparation method of light colored modified rosin resin with low melt viscosity, thermal stability and weatherability was described. The properties of several resins for hot melt road marking coatings and their coatings were compared.